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经营范围
发明名称
Power driven tool
摘要
申请公布号
US2208843(A)
申请公布日期
1940.07.23
申请号
US19380206616
申请日期
1938.05.07
申请人
DURO METAL PRODUCTS COMPANY
发明人
HEDGPETH THERON L.
分类号
B23D49/00;B23D51/02;B23D51/12;B23D51/16;B23D59/00
主分类号
B23D49/00
代理机构
代理人
主权项
地址
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